A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 2925-00-789-1106
NSN 5990-01-607-9433
NSN 6320-00-270-8222
NSN 5996-00-596-7018
NSN 6220-01-505-2247
NSN 6650-01-430-4126
NSN 6645-00-538-2904
NSN 5960-01-069-8028
NSN 5975-00-753-9409
NSN 5998-00-277-7552
NSN 5910-01-003-8299
NSN 6135-01-518-9813